| Company | Timeline | Status | |
| Manchester Association Of Engineers (The) Director • Retired | 21 Apr 2005←5 Years→31 Dec 2010 | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Retired | 8 Dec 1998←3 Years→9 Oct 2002 | Active | |
| Manchester Association Of Engineers (The) Director • Author | 27 Aug 1997←5 Years→8 Apr 2003 | Active | |
| The Newcomen Society For The Study Of The History Of Engineering And Technology Director • Author In History Of Technology | 14 Oct 1992←2 Years 12 Months→11 Oct 1995 | Active | |
| Manchester Literary And Philosophical Society Director • Retired | 17 Sep 1992←3 Years→27 Sep 1995 | Active | |
